Precast concrete manhole/ soakaway units.
Precast concrete manhole units from 675–4000 mm in various depths with tongue and groove and ogee joints. Precision manufactured to BS EN 1917: 2002.
Minimum order quantities apply for larger products; consult manufacturer for details.
Material | Precast concrete manufactured to BS EN 1917: 2002 |
Uniclass 2015 | |
CAWS | R12/407 Manholes and inspection chambers – concrete R12/409 Manholes – concrete – additional components for deep manholes |
Product Reference | Manhole Rings/ Soakaways |
Manhole ring | - |
Diameter | 675 mmTongue and groove joint, 70 mm wall thickness. 900 mmOgee joint, 80 mm wall thickness. 1050 mmOgee joint, 90 mm wall thickness. 1200 mmOgee joint, 90 mm wall thickness. 1350 mmOgee joint, 95 mm wall thickness. 1500 mmTongue and groove joint, 105 mm wall thickness. 1800 mmTongue and groove joint, 115 mm wall thickness. 2100 mmTongue and groove joint, 150 mm wall thickness. 2400 mmTongue and groove joint, 150 mm wall thickness. 2700 mmTongue and groove joint, 150 mm wall thickness. 3000 mmTongue and groove joint, 165 mm wall thickness. 3500 mmTongue and groove joint, 185 mm wall thickness. 4000 mmTongue and groove joint, 200 mm wall thickness. |
Depth | 250 mmFor 1050 mm, 1200 mm or 1350 mm diameters only. 300 mmFor 675 mm or 900 mm diameters only 450 mmFor 675 mm or 900 mm diameters only. 500 mmNot available with 675 mm, 900 mm or 4000 mm diameters. 600 mmFor 675 mm or 900 mm diameters only. 750 mmNot available with 675 mm, 900 mm, 3500 mm or 4000 mm diameters. 900 mmFor 675 mm or 900 mm diameters only. 1000 mmNot available with 675 mm or 900 mm diameters. |
Soakaway | Not requiredRequiredFor 900–1800 mm diameters only. |
Cover slab | - |
Type | Not requiredRequired |
Access size | Not applicable600 x 600 mm675 x 675 mm750 x 600 mmNot available with 675–1050 mm manhole ring diameters. 750 x 750 mmNot available with 675–900 mm manhole ring diameters. 1200 x 675 mmNot available with 675–1200 mm manhole ring diameters. |
Base section | Not required150 mm outlet/ inlet opening225 mm outlet/ inlet opening300 mm outlet/ inlet opening |
Seating slab | Not required600 x 600 mm opening750 x 750 mm overall size, 70 mm depth. 675 x 675 mm opening850 x 850 mm overall size, 70 mm depth. 750 x 600 mm opening880 x 750 mm overall size, 70 mm depth. |
Reducing slab | Not requiredRequiredAvailable with 1350–3000 mm manhole ring diameters. |
Resting slab | Not required1800 x 500 mm2100 x 500 mm2400 x 500 mm2700 x 500 mm3000 x 500 mm |
Accessories | NoneButyl rubber sealer, 22 x 22 – 4.5 m roll (to suit 900–mm diameter manhole rings).4.5 m roll (to suit 900–mm diameter manhole rings). Butyl rubber sealer, 32 x 38 – 3.5 m roll (to suit 1500–1800 mm diameter manhole rings).3.5 m roll (to suit 1500–1800 mm diameter manhole rings). Heavy duty double triangular cover and frame, 600 x 600 mmHeavy duty double triangular cover and frame, 675 x 675 mmHeavy duty double triangular cover and frame, 750 x 600 mmLadder handrailMedium duty circular cover and frame, 600 mm diameterPlastic double step rungPlastic double steps for ladder systemTokstrip, 12 x 120 mm6 m length (to suit 2100–4000 mm diameter manhole rings). Tokstrip, Primer 5 L |
Standard product features | Material: Precast concrete manufactured to BS EN 1917: 2002. |
Product Options | Cover slab: Depth and overall diameter dependent on ring diameter, consult manufacturer's literature for information. Base section:
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